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Finding the Fourth Proportional to 337,396.28, 465,305.26 and 279,944.60

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Solution

The fourth proportional to 337,396.28, 465,305.26 and 279,944.60 is: 386,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,396.28 : 465,305.26 = 279,944.60 : x
  2. Step 2: Convert to fraction form
    337,396.28/465,305.26 = 279,944.60/x
  3. Step 3: Cross multiply
    337,396.28x = 465,305.26 × 279,944.60
  4. Step 4: Simplify right side
    337,396.28x = 130,259,694,888.60
  5. Step 5: Solve for x
    x = 130,259,694,888.60/337,396.28
  6. Step 6: Final answer
    x = 386,073.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.